<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->

      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"> </el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
            @change="userStateChanged(scope.row)"
  v-model="scope.row.mg_state"
  active-color="#13ce66"
  inactive-color="#ff4949">
</el-switch>

          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="rowscope">
            <el-button type="primary" icon="el-icon-edit" size="mini" v-model="rowscope.row" @click="showEditDialog(rowscope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" v-model="rowscope.row" @click="removeUserById(rowscope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" v-model="rowscope.row" @click="setRole(rowscope.row)"></el-button>
            </el-tooltip>
            <!-- {{rowscope.row}} -->
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
<!-- 添加用户的对话框 -->
    <el-dialog @close="addDialogClosed" title="添加用户" :visible.sync="addDialogVisible" width="50%">
      <!-- 对话框内容区域 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password" type="password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email" type="email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <!-- 按钮区域 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户信息的对话框 -->
<el-dialog
  @close="editDialogClosed"
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%">
  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机号码" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
<!-- 分配角色的对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoledialogVisible"
  width="50%"
  @close="setRoleDialogClose">
  <div>
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
    <p>分配新角色：
      <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
    </p>

  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoledialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // var checkEmail = (rule, value, cb) => {
    //   const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
    //   if (regEmail.test(value)) { return cb() }
    //   cb(new Error('请输入正确的邮箱地址'))
    // }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[3|4|5|7|8]\d{9}$/
      if (regMobile.test(value)) { return cb() }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前显示页
        pagenum: 1,
        // 当前显示多少条
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        email: '',
        password: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度在三到10之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码长度在6到15之间', trigger: 'blur' }
        ],
        email: [
          { required: true, type: 'email', message: '请输入正确邮箱地址', trigger: 'blur' }
          // { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入电话号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制修改用户对话框的显示与隐蔽
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, type: 'email', message: '请输入邮箱', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框的显示隐藏
      setRoledialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已经选中的角色id值
      selectedRoleId: ''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      // console.log(this.userlist)
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更改用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) { return }
        // 通过预校验可以发起请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) { this.$message.error('添加用户失败') }
        this.$message.success('添加用户成功')
        // 隐藏对话框
        this.getUserList()
        this.addDialogVisible = false
      })
    },
    // 展示编辑用户对话框
    async showEditDialog(id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) { return }
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('修改用户失败')
        }
        // 关闭对话框，刷新数据列表，提示修改成功
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    // 根据id删除用户信息
    async removeUserById(id) {
      // 弹框询问用户是否删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err) // 捕获错误消息
      // 如果用户确认删除，返回的值为字符串confirm
      // 如果用户取消了删除，则返回值为字符串cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') { return this.$message.info('已经取消删除操作') }
      // console.log('确认了删除操作')
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) { return this.$message.error('删除用户失败') }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 在展示对话框前获取所有角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) { return this.$message.error('获取角色列表失败') }
      this.rolesList = res.data
      this.setRoledialogVisible = true
    },
    // 点击按钮分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) { return this.$message.error('请选择要分配的角色') }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId
      })
      if (res.meta.status !== 200) { return this.$message.error('更新角色失败') }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoledialogVisible = false
    },
    setRoleDialogClose() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
.display {
  display: none;
}
</style>
